Graco ProMix II Series Service Parts page 17

c.
Slide the backlight (F) out of the display board
(508b). Install new backlight (F)
F
7.
Align display board (508c) and graphic display
(508b). F . 8. Press them together.
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8.
Mount display board with screws (508e).
9.
Plug all connectors into display board (508c). F
7.
10.
Close and lock EasyKey™ door with key.
11.
Turn EasyKey™ power on to test circuit board.
Replacing Keypad
1.
Follow Before Servicing
2.
Unlock and open EasyKey™ door with its key.
310653D
508b
.
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procedure, page 14.
3.
Disconnect keypad ribbon cable (J2) from the
display board. F . 7.
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4.
Peel keypad (508a) off plate (508d) and carefully
slide ribbon cable through slot in plate. F
5.
Remove adhesive liner from back of new keypad.
6.
Slide the ribbon cable through the plate (508d) slot,
align the keypad (508a) with the recessed area on
the plate, and press it into place.
7.
Connect the ribbon cable (J2) to the display board.
F . 7.
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8.
Close and lock EasyKey™ door with key.
9.
Turn EasyKey™ power on to test operation.
508d
E3
508a
F . 9
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Service ◆ EasyKey™ Display
. 9.
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TI4881a
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